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Forum: Service Manuals, Requests, Repair Tips

If you have any problems with your devices: radios, TV, audio, monitors, printers, VCR, SAT, hardware computers, GSM, cars... Ask here what manuals do you need. Also check our Database

  1. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 29th August 2009 08:34
    • Replies: 0
    • Views: 21,693
    pranam77
    29th August 2009, 08:34 Go to last post

  1. How to build overcurrent/overvoltage protection

    Started by nurhidayah, 16th August 2019 10:18
    1 Attachment(s)
    • Replies: 1
    • Views: 152
    barry
    16th August 2019, 17:16 Go to last post

  2. Barudan BEDT - ZQ-501 Single Head - 8720 Control PCB

    Started by ServiceONE, 16th August 2019 02:45
    • Replies: 0
    • Views: 80
    ServiceONE
    16th August 2019, 02:45 Go to last post

  3. N7j3a marking transistor

    Started by hosseinhomerehe, 28th July 2019 05:53
    4 Attachment(s)
    • Replies: 6
    • Views: 548
    std_match
    14th August 2019, 09:50 Go to last post

  4. HP 54520A Blown Fuse Problem

    Started by neazoi, 7th January 2019 12:22
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 28
    • Views: 1,025
    neazoi
    14th August 2019, 01:41 Go to last post

  5. What Component is this

    Started by tdsflanked, 9th August 2019 13:15
    3 Attachment(s)
    • Replies: 1
    • Views: 215
    FvM
    9th August 2019, 16:41 Go to last post

  6. What might be wrong with this old piano?

    Started by fredand44, 28th July 2019 21:32
    7 Attachment(s)
    • Replies: 13
    • Views: 619
    fredand44
    8th August 2019, 21:20 Go to last post

  7. Soldering on Battery Terminals

    Started by joniengr, 12th July 2019 11:38
    • Replies: 11
    • Views: 664
    c_mitra
    8th August 2019, 13:34 Go to last post

  8. OP07 circuit output voltage?

    Started by steve_rb, 3rd August 2019 14:07
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 24
    • Views: 678
    steve_rb
    7th August 2019, 19:11 Go to last post

  9. This is a simple capacitor or it has a resistor inside it?

    Started by brunofunchas, 6th August 2019 17:12
    1 Attachment(s)
    • Replies: 3
    • Views: 157
    brunofunchas
    7th August 2019, 11:05 Go to last post

  10. Halogen Lamp Limit Resistor?

    Started by i200yrs, 7th August 2019 09:29
    • Replies: 1
    • Views: 123
    betwixt
    7th August 2019, 10:05 Go to last post

  11. Turbine Backup Overspeed Pickup Probe Extraction Tool

    Started by Akanimo, 5th August 2019 15:20
    • Replies: 3
    • Views: 223
    Akanimo
    7th August 2019, 08:24 Go to last post

  12. A measurement issue in Signal generator and Spectrum Analyzer

    Started by Anomis, 2nd August 2019 04:48
    1 Attachment(s)
    • Replies: 1
    • Views: 156
    BigBoss
    2nd August 2019, 06:00 Go to last post

  13. 13.9 V instead of 2.75 v, Which parts are failing?

    Started by steve_rb, 31st July 2019 10:44
    1 Attachment(s)
    • Replies: 3
    • Views: 291
    steve_rb
    1st August 2019, 09:52 Go to last post

  14. TTL to USB converter : RS232 to TRS

    Started by BobSan, 27th July 2019 18:02
    6 Attachment(s)
    • Replies: 7
    • Views: 387
    BobSan
    30th July 2019, 10:13 Go to last post

  15. IFC TG179 TO-92 (transistor)

    Started by i200yrs, 29th July 2019 07:44
    2 Attachment(s)
    • Replies: 2
    • Views: 289
    i200yrs
    30th July 2019, 10:10 Go to last post

  16. Old resistor value recognition

    Started by imranahmed, 28th July 2019 12:23
    2 Attachment(s)
    • Replies: 3
    • Views: 300
    FvM
    28th July 2019, 13:47 Go to last post

  17. Identify components with marking code 1624HV

    Started by davoud, 24th July 2019 09:10
    3 Attachment(s)
    • Replies: 4
    • Views: 594
    FvM
    28th July 2019, 09:53 Go to last post

  18. Possible water damage inside keyboard

    Started by adam5555, 23rd July 2019 14:34
    1 Attachment(s)
    • Replies: 2
    • Views: 233
    c_mitra
    24th July 2019, 02:43 Go to last post

  19. chinese generator not working

    Started by FANT, 21st July 2019 16:17
    • Replies: 1
    • Views: 357
    kripacharya
    21st July 2019, 19:13 Go to last post

  20. Identify capacitor with marking code L62 104

    Started by Teslavivek, 19th July 2019 18:01
    1 Attachment(s)
    • Replies: 10
    • Views: 541
    KlausST
    20th July 2019, 09:31 Go to last post

  21. What is this sensor? (Can detect the clap sound)

    Started by alibarghi, 18th July 2019 15:37
    2 Attachment(s)
    • Replies: 4
    • Views: 304
    alibarghi
    19th July 2019, 13:35 Go to last post

  22. Help in diode code v6 12 Panasonic Plasma TH-P42X30D

    Started by hemant.yash, 13th May 2019 10:48
    4 Attachment(s)
    • Replies: 6
    • Views: 1,192
    betwixt
    18th July 2019, 16:03 Go to last post

  23. Technika lcd22-208 tv

    Started by KweenBo, 15th July 2019 15:36
    • Replies: 2
    • Views: 310
    KweenBo
    16th July 2019, 09:51 Go to last post

  24. Simple remote led stay on

    Started by elior77, 14th July 2019 09:45
    • Replies: 9
    • Views: 470
    elior77
    15th July 2019, 06:33 Go to last post

  25. Dirty circuit board causing failure

    Started by fixit7, 12th July 2019 07:40
    3 Attachment(s)
    • Replies: 11
    • Views: 664
    betwixt
    13th July 2019, 22:16 Go to last post

  26. Metcal MX500 Fault indication : Display blinks on power-up, no output

    Started by WA4OSH, 11th July 2019 18:40
    • Replies: 0
    • Views: 138
    WA4OSH
    11th July 2019, 18:40 Go to last post

  27. Instruction- & Service-Manual of a Title (Character)-Generator Panasonic WJ-TTL5

    Started by cq25, 8th July 2019 11:06
    • Replies: 0
    • Views: 252
    cq25
    8th July 2019, 11:06 Go to last post

  28. help identify diode LV1 G629

    Started by mikev90210, 3rd July 2019 06:41
    2 Attachment(s)
    • Replies: 5
    • Views: 548
    mikev90210
    6th July 2019, 23:45 Go to last post

  29. Help with Panasonic LCD Mainboard compatibility (vestel)

    Started by Zwyxy, 2nd July 2019 21:53
    • Replies: 0
    • Views: 419
    Zwyxy
    2nd July 2019, 21:53 Go to last post

  30. Solder tip sizes (need smaller tip)

    Started by jrlineton, 30th June 2019 12:45
    1 Attachment(s)
    • Replies: 2
    • Views: 295
    KlausST
    2nd July 2019, 11:05 Go to last post
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